<template>
  <div class="app-container">
    <!-- 批量导出按钮 -->
    <div class="el-toolbar">
      <div class="el-toolbar-body" style="justify-content: flex-start">
        <el-button type="text" @click="exportData"
          ><i class="fa fa-plus" /> 导出</el-button
        >
        <el-button type="text" @click="importData"
          ><i class="fa fa-plus" /> 导入</el-button
        >
        <el-dialog
          title="导入"
          :visible.sync="dialogImportVisible"
          width="480px"
        >
          <el-form label-position="right" label-width="170px">
            <el-form-item label="文件">
              <!-- multiple 是否上传多个文件 -->
              <!-- on-success上传成功调用的方法 -->
              <el-upload
                :multiple="false"
                :on-success="onUploadSuccess"
                :action="'http://localhost:8202/admin/cmn/dict/importData'"
                class="upload-demo"
              >
                <el-button size="small" type="primary">点击上传</el-button>
                <div slot="tip" class="el-upload__tip">
                  只能上传xls文件，且不超过500kb
                </div>
              </el-upload>
            </el-form-item>
          </el-form>
          <div slot="footer" class="dialog-footer">
            <el-button @click="dialogImportVisible = false"> 取消 </el-button>
          </div>
        </el-dialog>
      </div>
    </div>

    <!-- lazy 延迟加载 -->
    <el-table
      :data="list"
      style="width: 100%"
      row-key="id"
      border
      lazy
      :load="getChildrens"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column label="名称" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.name }}</span>
        </template>
      </el-table-column>

      <el-table-column label="编码" width="220">
        <template slot-scope="{ row }">
          {{ row.dictCode }}
        </template>
      </el-table-column>
      <el-table-column label="值" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.value }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center">
        <template slot-scope="scope">
          <span>{{ scope.row.createTime }}</span>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>
<script>
import dict from "@/api/dict";
export default {
  data() {
    return {
      list: [], // 数据字典列表数组
      dialogImportVisible: false, // 设置弹框是否弹出
    };
  },
  created() {
    // 参数1  查询的全部数据
    this.getDictList(1);
  },
  methods: {
    getDictList(id) {
      dict.dictList(id).then((response) => {
        this.list = response.data;
      });
    },
    // 递归查询子数据
    getChildrens(tree, treeNode, resolve) {
      dict.dictList(tree.id).then((response) => {
        resolve(response.data);
      });
    },
    // 导出数据字典
    exportData() {
      window.location.href = "http://localhost:8202/admin/cmn/dict/exportData";
    },
    // 导入
    importData() {
      this.dialogImportVisible = true;
    },
    // 上传成功
    onUploadSuccess() {
      // 关闭弹框
      this.dialogImportVisible = false;
      // 刷新页面
      this.getDictList(1);
    },
  },
};
</script>